beta-

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β^-

Symbol for electron.

β-

/β-/ a prefix designating (1) the position of a substituting atom or group in a chemical compound; (2) the specific rotation of an optically active compound; (3) the orientation of an exocyclic atom or group; (4) a plasma protein migrating with the β band in electrophoresis; (5) second in a series of two or more related entities or chemical compounds.